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Rifles, Reloading, Optics, Equipment
Gunsmithing
Dakota bolt face compatibility
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<blockquote data-quote="J E Custom" data-source="post: 1363155" data-attributes="member: 2736"><p>The bolt face of the Dakota is for the 404 Jefferies and the Ultra Mags, Even though they are based on the Jefferies case the case heads have been turned down to the standard Magnum case head, (.532 ) and the Jefferies/Dakota is .545.</p><p></p><p>So with the bolt face opened up to handle the Dakota it will be somewhere around .546 to .548 and there will be to much clearance for the RUM in my opinion and will/can result in extraction problems. (It may not hold the case tight enough against the extractor.</p><p></p><p>There is however a solution, Just buy 404 Jeffers brass (with the larger case head) and size them in a set of RUM dies. "OR" buy a new bolt with the .534 bolt face.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1363155, member: 2736"] The bolt face of the Dakota is for the 404 Jefferies and the Ultra Mags, Even though they are based on the Jefferies case the case heads have been turned down to the standard Magnum case head, (.532 ) and the Jefferies/Dakota is .545. So with the bolt face opened up to handle the Dakota it will be somewhere around .546 to .548 and there will be to much clearance for the RUM in my opinion and will/can result in extraction problems. (It may not hold the case tight enough against the extractor. There is however a solution, Just buy 404 Jeffers brass (with the larger case head) and size them in a set of RUM dies. "OR" buy a new bolt with the .534 bolt face. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Dakota bolt face compatibility
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